Highlights: 50 Amps, Control Voltage 4-32 VDC, Thermal Pad
The Sensata | Crydom CW Series Panel Mount AC output Solid State Relays offer a back-to-back SCR output for reliable switching of commercial and heavy industrial loads.
The CWD4850H is a high performing SSR with output ratings of 50 Amps at 48 to 660 VAC and it comes with Zero Voltage Turn-On (for resistive loads) output along with a thermal pad.
The CW Series panel mount solid state relay includes a removable IP20 “touch-safe” cover for added safety and LED status indicator.
Part #CWD4850H
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Series | Control Voltage | Operating Voltage | Rated Load Current | Control Voltage | Overvoltage Protection | Thermal Pad | Switching Type |
CW | D: 3-32 VDC U: 20-48 VDC or 20-280 VAC A: 90-280 VAC AxxxxE: 18-36 VAC |
24: 24-280 VA | 10: 10 Amps 25: 25 Amps 50: 50 Amps 90: 90 Amps 125: 125 Amps |
AxxxxE: 18-36 VAC | Blank: Not Included P: Included |
Blank: Not Included H: Included |
Blank: Zero Voltage Turn-On -10: Instantaneous Turn-On |
Operating Voltage (47-440Hz) [Vrms] | 48-660 |
Transient Overvoltage [Vpk] | 1200 |
Maximum Off-State Leakage Current @ Rated Voltage [mArms] |
1 |
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/μsec] | 500 |
Maximum Load Current [Arms] | 50 |
Minimum Load Current [Arms] | 150 |
Maximum 1 Cycle Surge Current (50/60Hz) [Apk] | 810/850 |
Maximum On-State Voltage Drop @ Rated Current [Vpk] | 1.3 |
Thermal Resistance Junction to Case (Rjc) [°C/W] | 0.2 |
Maximum 1/2 Cycle I² t for Fusing (50/60Hz, 1/2 cycle) [A² sec] | 3280/3000 |
Minimum Power Factor (with Maximum Load) | 0.5 |
HP Rating UL 508/IEC60947 [-10 Option][HP (KW)]: 120 VAC | 2 (1.5) |
HP Rating UL 508/IEC60947 [-10 Option][HP (KW)]: 240 VAC | 5 (3.73) |
HP Rating UL 508/IEC60947 [-10 Option][HP (KW)]: 480 VAC | 7.5 (5.6) |
HP Rating UL 508/IEC60947 [HP (KW)]: 120 VAC | 1 (0.74) |
HP Rating UL 508/IEC60947 [HP (KW)]: 240 VAC | 3 (2.2) |
HP Rating UL 508/IEC60947 [HP (KW)]: 480 VAC | 7.5 (5.6) |
Control Voltage Range | 4-32 VDC |
Maximum Reverse Voltage | -32 VDC |
Minimum Turn-On Voltage | 4 VDC |
Must Turn-Off Voltage | 1VDC |
Minimum Input Current (for on-state) | 10 mA |
Maximum Input Current | 15 mA |
Nominal Input Impedance | Current Regulated |
Maximum Turn-On Time [msec] | 1/2 Cycle |
Maximum Turn-Off Time [msec] | 1/2 Cycle |
Dielectric Strength, Input/Output/Base (50/ 60Hz) | 4000 Vrms |
Minimum Insulation Resistance (@ 500 VDC) | 109 Ohms |
Maximum Capacitance, Input/Output | 8 pF |
Ambient Operating Temperature Range | -40 to 80 °C |
Ambient Storage Temperature Range | -40 to 125 °C |
Weight (typical) | 2.88 oz (81.53 g) |
Housing Material | UL94 V-0 |
Baseplate Material | Aluminum |
Input Terminal Screw Torque Range (lb-in/Nm) | 13-15 / 1.5-1.7 |
Load Terminal Screw Torque Range (lb-in/Nm) | 18-20 / 2-2.2 |
SSR Mounting Screw Torque Range (lb-in/Nm) | 18-20 / 2-2.2 |
Input/Output Terminal Screw Thread Size | #6-32 UNC / #8-32 UNC |
Humidity per IEC60068-2-78 | 93% non-condensing |
LED Input Status Indicator | Green |
MTBF (Mean Time Between Failures) at 40°C ambient temperature | 11,641,553 hours (1,328 years) |
MTBF (Mean Time Between Failures) at 60°C ambient temperature | 7,210,376 hours (823 years) |